17960008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{499}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 36900000

約数和(自身を除く): 18939992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 409, 499, 818, 998, 1636, 1996, 3272, 3992, 4499, 5489, 8998, 10978, 17996, 21956, 35992, 43912, 204091, 408182, 816364, 1632728, 2245001, 4490002, 8980004, 17960008]

約数ペア:

[(1, 17960008), (2, 8980004), (4, 4490002), (8, 2245001), (11, 1632728), (22, 816364), (44, 408182), (88, 204091), (409, 43912), (499, 35992), (818, 21956), (998, 17996), (1636, 10978), (1996, 8998), (3272, 5489), (3992, 4499)]